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初三数学-解直角三角形
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https://video.cache.bdschool.cn/vd/2280c882026453bd1088b651e061b1cd.mp4
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0420初三数学-解直角三角形-2ppt课件.pptx
附件:
0420初三数学-解直角三角形-3学习任务单.docx
附件:
0420初三数学-解直角三角形-1教案.docx
北京市
初三数学
15
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Jul 15, 2021
初三数学-三角函数的概念与应用
初三数学-代数式的概念与运算
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